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Sony A7S III vs Sony S2100

Portability
61
Imaging
65
Features
92
Overall
75
Sony Alpha A7S III front
 
Sony Cyber-shot DSC-S2100 front
Portability
93
Imaging
35
Features
17
Overall
27

Sony A7S III vs Sony S2100 Key Specs

Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Screen
  • ISO 80 - 102400 (Increase to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Introduced July 2020
  • Replaced the Sony A7S II
Sony S2100
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 3200
  • 640 x 480 video
  • 33-105mm (F3.1-5.6) lens
  • 167g - 98 x 61 x 27mm
  • Launched January 2010
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Sony A7S III vs Sony S2100 Overview

Here, we are analyzing the Sony A7S III vs Sony S2100, former is a Pro Mirrorless while the other is a Small Sensor Compact and both are designed by Sony. The sensor resolution of the A7S III (12MP) and the S2100 (12MP) is very close but the A7S III (Full frame) and S2100 (1/2.3") have totally different sensor dimensions.

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The A7S III was unveiled 10 years after the S2100 which is a fairly sizable difference as far as camera tech is concerned. Both the cameras feature different body design with the Sony A7S III being a SLR-style mirrorless camera and the Sony S2100 being a Compact camera.

Before getting right into a thorough comparison, here is a concise highlight of how the A7S III scores vs the S2100 with respect to portability, imaging, features and an overall score.

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Reasons to pick Sony A7S III over the Sony S2100

 A7S III S2100 
LaunchedJuly 2020January 2010More modern by 129 months
Focus manually Dial exact focus
Display typeFully articulatedFixed Fully Articulating display
Display resolution1440k230kClearer display (+1210k dot)
Selfie screen Take selfies
Touch display Easily navigate

Reasons to pick Sony S2100 over the Sony A7S III

 S2100 A7S III 

Common features in the Sony A7S III and Sony S2100

 A7S III S2100 
Display size3"3"Same display sizing

Sony A7S III vs Sony S2100 Physical Comparison

If you are going to carry around your camera frequently, you'll need to consider its weight and measurements. The Sony A7S III has got physical measurements of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") accompanied by a weight of 699 grams (1.54 lbs) and the Sony S2100 has proportions of 98mm x 61mm x 27mm (3.9" x 2.4" x 1.1") and a weight of 167 grams (0.37 lbs).

Take a look at the Sony A7S III vs Sony S2100 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an ILC will change depending on the lens you have attached at that time. Here is a front view dimension comparison of the A7S III and the S2100.

Sony A7S III vs Sony S2100 size comparison

Using size and weight, the portability score of the A7S III and S2100 is 61 and 93 respectively.

Sony A7S III vs Sony S2100 top view buttons comparison

Sony A7S III vs Sony S2100 Sensor Comparison

In many cases, it can be tough to see the contrast in sensor sizes just by looking through specifications. The pic here will help provide you a more clear sense of the sensor measurements in the A7S III and S2100.

To sum up, the 2 cameras come with the identical MP but not the same sensor sizes. The A7S III provides the larger sensor which will make achieving bokeh less difficult. The more modern A7S III will have an edge when it comes to sensor technology.

Sony A7S III vs Sony S2100 sensor size comparison

Sony A7S III vs Sony S2100 Screen and ViewFinder

Sony A7S III vs Sony S2100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7S III Portrait photography advice
Sony S2100 Portrait photography advice
71
manual focus
big sensor size (Full frame)
has face detect autofocus
saves RAW files
megapixel count low (12 megapixels)
21
lack of manual focus
manual mode not possible
cannot use external flash
low MP (12MP)
sensor size is very small (1/2.3")
no RAW files
Photography Glossary

Street Comparison

Sony A7S III Street photography information
Sony S2100 Street photography information
76
image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
saves RAW files
provides focus via touch
weather sealing
very good high ISO (102,400)
46
screen does not articulate
no image stabilization
sensor size is very small (1/2.3")
no RAW files
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Sports Comparison

Sony A7S III Sports photography features
Sony S2100 Sports photography features
76
high shutter speed (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
has tracking focus
weather sealing
good battery (600 per charge)
comes with phase detect autofocus
megapixel count low (12MP)
17
low maximum shutter speed (1/1,200s)
max frames per second low (1.0 frames per second)
no shutter priority mode
no image stabilization
low MP (12 megapixels)
sensor size is very small (1/2.3")
no phase detect autofocus
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Travel Comparison

Sony A7S III Travel photography advice
Sony S2100 Travel photography advice
70
good battery (600 per charge)
weather sealing
connects via bluetooth
provides focus via touch
selfie friendly display
megapixel count low (12 megapixels)
50
built-in flash
doesn't have Time Lapse recording
low MP (12 megapixels)
screen is not selfie friendly
wide angle not fantastic (33mm)
sluggish max aperture (f3.1)
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Landscape Comparison

Sony A7S III as a Landscape photography camera
Sony S2100 as a Landscape photography camera
77
manual focus
swap lenses (Sony E mount)
screen is a decent size (3 inches)
image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
very good high ISO (102,400)
saves RAW files
weather sealing
good battery (600 per charge)
has double storage slots
megapixel count low (12 megapixels)
27
screen is a decent size (3")
lack of manual focus
can't switch lenses (fixed lens mount)
wide angle not fantastic (33mm)
sluggish max aperture (f3.1)
manual mode not possible
no image stabilization
low MP (12MP)
sensor size is very small (1/2.3")
no RAW files
doesn't have Time Lapse recording
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Vlogging Comparison

Vlogging with Sony A7S III
Vlogging with Sony S2100
77
selfie friendly display
touchscreen enabled
image stabilization (Sensor based 5-axis)
has face detect autofocus
high quality video (3840 x 2160 resolution)
does have microphone port
22
wide angle not fantastic (33mm)
sluggish max aperture (f3.1)
screen is not selfie friendly
no image stabilization
low res video (640 x 480 pxls)
doesn't have mic port
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Sony A7S III vs Sony S2100 Specifications

Detailed spec comparison table for Sony A7S III and Sony S2100
 Sony Alpha A7S IIISony Cyber-shot DSC-S2100
General Information
Manufacturer Sony Sony
Model type Sony Alpha A7S III Sony Cyber-shot DSC-S2100
Class Pro Mirrorless Small Sensor Compact
Introduced 2020-07-21 2010-01-07
Body design SLR-style mirrorless Compact
Sensor Information
Processor Bionz XR Bionz
Sensor type BSI-CMOS CCD
Sensor size Full frame 1/2.3"
Sensor dimensions 35.6 x 23.8mm 6.17 x 4.55mm
Sensor surface area 847.3mm² 28.1mm²
Sensor resolution 12MP 12MP
Anti alias filter
Aspect ratio 3:2 and 16:9 4:3, 3:2 and 16:9
Peak resolution 4240 x 2832 4000 x 3000
Highest native ISO 102400 3200
Highest enhanced ISO 409600 -
Min native ISO 80 100
RAW files
Min enhanced ISO 50 -
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 759 9
Lens
Lens mount type Sony E fixed lens
Lens zoom range - 33-105mm (3.2x)
Max aperture - f/3.1-5.6
Macro focusing range - 5cm
Available lenses 121 -
Crop factor 1 5.8
Screen
Screen type Fully articulated Fixed Type
Screen size 3" 3"
Screen resolution 1,440k dot 230k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 9,440k dot -
Viewfinder coverage 100 percent -
Viewfinder magnification 0.91x -
Features
Min shutter speed 30s 1s
Max shutter speed 1/8000s 1/1200s
Continuous shutter speed 10.0fps 1.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Set white balance
Image stabilization
Built-in flash
Flash distance no built-in flash 3.30 m
Flash settings no built-in flash Auto, On, Off, Slow syncro
External flash
AEB
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 640 x 480 (30 fps), 320 x 240 (30 fps)
Highest video resolution 3840x2160 640x480
Video data format MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 3.2 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 699 gr (1.54 lbs) 167 gr (0.37 lbs)
Physical dimensions 129 x 97 x 81mm (5.1" x 3.8" x 3.2") 98 x 61 x 27mm (3.9" x 2.4" x 1.1")
DXO scores
DXO Overall rating 85 not tested
DXO Color Depth rating 23.6 not tested
DXO Dynamic range rating 13.3 not tested
DXO Low light rating 2993 not tested
Other
Battery life 600 photos -
Battery form Battery Pack -
Battery ID NP-FZ100 2 x AA
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec)
Time lapse recording With downloadable app
Type of storage Dual SD/CFexpress Type A slots Memory Stick Duo/Pro Duo, optional SD, Internal
Storage slots 2 1
Price at release $3,499 $0